Yumoto Gensenchi (Fountainhead of Nikko Yumoto Onsen)
This hot sulfur spring is located in Yunodaira Plain near Onsenji Temple in Nikko Yumoto Onsen District. Discovered in the year 788, it serves as the source spring for Nikko Yumoto Onsen. The spring also features a promenade that allows visitors to get an up-close view of the spring. Onsenji Temple, which features attractions such as a day spa, is visited by many locals and tourists alike.